Improvement in metallic hubs



W F.1,SAWDON & H. NORTH. Metallic-Hub.

No. 219,413. Patented 4Se-p'f. 9,1879.

NJETEHS, PHOTQLUHDGRAFNER, WASHINGTON. D 6,

UNITED S'ITES :IUJIllNTrIQFFICEII.v t

WILLIAM F. SAWDON AND HENRY NORTH, OF DRESDEN, ONTARIO, OAN ADA, ASSIGNORS OF ONE-THIRD-THEIR RIGHT TO WILLIAM GEORGE ORAGG,

OF SAME PLACE.

IMPROVEMENT IN METALLIC HUBS.

Specification forming part of Letters Patent No. 219,413, dated September 9, 1879; application filed January 29, 1879.`

To all whom 1t 'may concern:

Beit known that we, WILLIAM FOSTER SAW- DON and HENRY NORTH, both'of Dresden, in the county of Kent, in the Province of Ontario, in the Dominion of Canada, have jointly invented certain new and useful Improvements in Metallic Hubs; and we do hereby declare that the following is a full, clear, and exact description of the same, reference heilig had to the annexed drawings, in which- Figure l is an elevation of our improved hub. Fig. 2 is a longitudinal vertical section of the saine; and Fig. 3 is anA elevation of integral pipe-box and lian ge with removable disk, shown in dotted lilies.

Our invention relates to the means for clamping the spokes in the hub; and it consists of a pi pe-box having a tixed iiange and a removable disk, between which i'lange and disk the spokes are clamped by a collar-nut and cap Vscrewin reversely7 on the pipe-box, the former forcing the disk, and the latter locking the collar.

The hub consists ofthe pipe-box A, having` formed thereon integrally a flange, B, and a correspondingdisk,'O, which slips on the pipe A. Between the flange and disk the spokes are placed in the usual manner and are clamped by the pressure of a collar, E, screwing on the pipe-box, said collar forcing the disk O and spokes against the iiange B, and is secured from working loose by a cap, F,fscrewing over the end of the pipe-box against the screw-collar E, both cap and collar having a contrary screw-motion on the pipebox, which is cut with right and left handed screw-threads. The

screw diameter of the cap F is less than the inside diameter of the collar E, to allow the latter to be slipped on the pipe-box to its place of screwing. The cap F at the end of the pipe-box forms a lubricating cl'lambelqwhich is fed with lubricantthrough the screw-plug hole F.

The inner end of the pipe-box is formed with a peripheral plain surface corresponding to the internal diameter of a tubular cap, H, fitting thereon and inclosing the shoulder d of the axle, the cap heilig slipped thereon previously to welding the ends of the half-axles together.

The axle at that portion which passes` through the end ot' the cap H is formed with a rotnnd enlargement of greater diameter than the square ofthe axle, and corresponds in diameter to the hole in the end of the cap through which the enlargement passes, the close-fitting character of the cap excluding dust, mud, Sto., from the pipe-box.

The cap H is secured by screws e passing radially into the pipe-box, and contines the shoulder d of the axle loosely, and prevents the arm of the axle from moving endwise in the pipe-box, thereby securely attaching the axle to the hub. y

We claim as our in vent-ion- In combination with the pipe-box A, lla-ving a xed flange, B, and a disk, C, slipped thereon, the collar E and cap F, of different internal diameters, screwing revers'ely to each other on the pipe-box, to retain the spokes, as set forth.

W. F. SAWDON. H. NORTH.

Witnesses:

J. W. SHARPE, W. B. SMITH. 

